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  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
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  <body>
    <script>
      function Rabbit() {
        // this.eats = ''
      }
      Rabbit.prototype = {
        eats: true,
      };
      let rabbit = new Rabbit();
      //   rabbit.__proto__ = {
      //     eats: true,
      //   }
      //   Rabbit.prototype = {};
      //   Rabbit.prototype.eats = false;
      //   delete rabbit.eats;
      delete Rabbit.prototype.eats;
      console.log(rabbit.eats); // false
    </script>
  </body>
</html>
